What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to London one-way?

C$ 399 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on TAP AIR PORTUGAL and British Airways, with prices starting from C$ 409 and C$ 600, respectively.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to London?

When deciding which route to take from Montreal Pierre Elliott Trudeau Intl Airport to London consider Montreal Pierre Elliott Trudeau Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London City as they are the most popular.

What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London?

Consider Aegean Airlines (88%), Egyptair (87%) or Thai Airways (87%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to London?

The most popular airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London are Air Canada, British Airways and Lufthansa. Something to consider prior to booking your flight.

Can I find deals for flights from Pierre Elliott Trudeau Intl to London that include hotel bookings?

Yes. In addition to deals on Pierre Elliott Trudeau Intl to London flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Pierre Elliott Trudeau Intl to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to London.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to London?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 408+ Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to London

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in January or September, booked 23 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Enter your travel dates to find the best prices.

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Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Sun 15/116:45 a.m. -

1 stop22h 00m

Sun 22/1111:40 a.m. -

1 stop15h 37m

Deal found 5/11C$ 899

Mon 7/128:15 p.m. -

1 stop15h 50m

Mon 14/127:50 p.m. -

1 stop21h 25m

Deal found 5/11C$ 900

Wed 25/119:25 p.m. -

1 stop16h 10m

Mon 30/1111:35 a.m. -

2 stops29h 25m

Deal found 5/11C$ 900

Tue 17/112:15 p.m. -

1 stop14h 30m

Fri 4/1211:40 a.m. -

1 stop12h 32m

Deal found 9/11C$ 900

Sun 22/118:15 p.m. -

1 stop12h 30m

Mon 30/117:15 a.m. -

1 stop34h 00m

Deal found 5/11C$ 900

Sat 5/126:30 p.m. -

1 stop33h 40m

Sat 12/129:55 a.m. -

1 stop31h 35m

Deal found 5/11C$ 900

Sun 6/128:15 p.m. -

1 stop22h 35m

Tue 15/128:00 p.m. -

1 stop21h 10m

Deal found 5/11C$ 902

Mon 16/115:25 p.m. -

1 stop11h 20m

Thu 3/1211:40 a.m. -

1 stop12h 32m

Deal found 7/11C$ 902

Sun 6/128:15 p.m. -

1 stop22h 35m

Mon 14/127:50 p.m. -

1 stop21h 25m

Deal found 5/11C$ 903

Mon 7/128:15 p.m. -

1 stop18h 05m

Sun 10/18:25 p.m. -

1 stop20h 50m

Deal found 8/11C$ 904

Tue 17/116:50 p.m. -

1 stop14h 35m

Tue 24/117:25 a.m. -

1 stop13h 15m

Deal found 9/11C$ 906

Tue 8/126:30 p.m. -

1 stop15h 10m

Tue 15/128:45 p.m. -

1 stop20h 45m

Deal found 8/11C$ 907

Best flights from Pierre Elliott Trudeau Intl to London
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Tue 24/117:05 p.m. -

1 stop16h 30m

Mon 30/116:30 a.m. -

1 stop15h 45m

Deal found 6/11C$ 933

Tue 6/42:20 p.m. -

1 stop15h 25m

Tue 20/412:40 p.m. -

1 stop14h 42m

Deal found 6/11C$ 935

Wed 13/15:00 p.m. -

1 stop11h 00m

Wed 20/110:00 a.m. -

1 stop10h 20m

Deal found 9/11C$ 942

Thu 7/17:35 p.m. -

1 stop14h 05m

Thu 14/13:15 p.m. -

1 stop25h 55m

Deal found 6/11C$ 955

Thu 19/117:05 p.m. -

1 stop15h 40m

Tue 8/1210:00 a.m. -

1 stop10h 20m

Deal found 7/11C$ 965

Sun 17/19:45 p.m. -

2 stops17h 50m

Sat 23/110:10 a.m. -

2 stops38h 45m

Deal found 5/11C$ 1,043

Thu 4/22:13 p.m. -

2 stops13h 57m

Thu 11/26:50 a.m. -

2 stops29h 56m

Deal found 5/11C$ 1,075

Thu 14/14:40 p.m. -

2 stops15h 10m

Tue 19/19:15 a.m. -

2 stops14h 45m

Deal found 9/11C$ 1,386

Thu 19/118:50 p.m. -

1 stop32h 05m

Sat 5/1210:55 a.m. -

1 stop36h 05m

Deal found 9/11C$ 1,429

Thu 14/13:10 p.m. -

1 stop18h 55m

Fri 22/14:35 p.m. -

1 stop25h 35m

Deal found 9/11C$ 1,772

Thu 3/127:05 p.m. -

1 stop15h 40m

Sun 6/1210:00 a.m. -

1 stop10h 20m

Deal found 5/11C$ 944

Sat 24/42:20 p.m. -

1 stop15h 25m

Tue 27/412:40 p.m. -

1 stop14h 42m

Deal found 8/11C$ 945

Mon 7/127:15 p.m. -

1 stop17h 05m

Thu 14/15:05 p.m. -

1 stop29h 10m

Deal found 8/11C$ 957

Thu 19/117:35 p.m. -

1 stop14h 05m

Sun 6/127:05 a.m. -

1 stop34h 10m

Deal found 7/11C$ 957

Tue 1/1212:50 p.m. -

2 stops16h 40m

Fri 11/1211:45 a.m. -

1 stop10h 30m

Deal found 6/11C$ 974

Thu 26/115:25 p.m. -

1 stop11h 20m

Sat 5/1211:40 a.m. -

1 stop15h 37m

Deal found 6/11C$ 947

Fri 15/18:15 p.m. -

1 stop12h 50m

Sun 17/17:15 a.m. -

1 stop34h 00m

Deal found 5/11C$ 957

Mon 23/117:15 p.m. -

1 stop9h 15m

Mon 30/1110:00 a.m. -

1 stop12h 15m

Deal found 5/11C$ 965

Sun 22/1112:50 p.m. -

2 stops13h 25m

Mon 30/117:45 a.m. -

1 stop14h 30m

Deal found 5/11C$ 1,006

Fri 8/112:54 p.m. -

1 stop12h 56m

Tue 12/111:20 a.m. -

1 stop17h 06m

Deal found 5/11C$ 1,013

Fri 9/45:30 p.m. -

1 stop12h 15m

Wed 21/412:40 p.m. -

1 stop14h 42m

Deal found 6/11C$ 955

Sat 28/116:30 p.m. -

1 stop12h 20m

Sun 6/127:05 a.m. -

1 stop34h 10m

Deal found 6/11C$ 962

Wed 13/17:15 p.m. -

1 stop9h 15m

Wed 20/110:00 a.m. -

1 stop12h 15m

Deal found 9/11C$ 966

Sat 5/122:25 p.m. -

2 stops14h 30m

Sat 9/18:10 p.m. -

2 stops26h 25m

Deal found 7/11C$ 1,027

Fri 9/45:30 p.m. -

1 stop12h 15m

Thu 22/412:40 p.m. -

1 stop14h 42m

Deal found 5/11C$ 955

Wed 25/117:15 p.m. -

1 stop9h 15m

Fri 4/129:20 a.m. -

1 stop12h 55m

Deal found 6/11C$ 966

Fri 8/18:15 p.m. -

1 stop12h 50m

Fri 15/110:40 a.m. -

1 stop30h 45m

Deal found 6/11C$ 974

Mon 7/127:15 p.m. -

1 stop19h 20m

Mon 14/129:20 a.m. -

1 stop12h 55m

Deal found 7/11C$ 1,075

Thu 28/16:00 a.m. -

2 stops22h 30m

Sun 31/11:45 p.m. -

1 stop32h 30m

Deal found 6/11C$ 1,038

Sun 22/112:15 p.m. -

1 stop14h 30m

Sat 5/1211:40 a.m. -

1 stop15h 37m

Deal found 7/11C$ 968

Find flight deals from Pierre Elliott Trudeau Intl to London

Round-trip from	C$ 900
One-way from	C$ 408
Popular in	December
Cheapest in	January
Average price	C$ 965
Good round-trip deal	C$ 884 or less
Good one-way deal	C$ 737 or less

7/12-14/12
3 total stops
37h 45m total
Montreal to London

Search Deals

TAP AIR PORTUGAL
25/11-31/12
1 total stop
12h 45m total
Montreal to London

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (C$ 96 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 56 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).

Search Deals

Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Sun 10/1

8:15 p.m.-8:50 p.m.

2 stops43h 35m

London Luton

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 415

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Fri 15/1

8:15 p.m.-2:25 p.m.

2 stops37h 10m

London Luton

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 420

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 10/1

8:15 p.m.-11:50 p.m.

1 stop22h 35m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 425

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Mon 7/12

8:15 p.m.-1:45 p.m.

1 stop12h 30m

London Luton

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 428

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

8:15 p.m.-7:45 a.m.

2 stops30h 30m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 440

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Thu 19/11

2:15 p.m.-12:55 a.m.

3 stops53h 40m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 440

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 11/4

10:45 p.m.-9:50 a.m.

1 stop30h 05m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 442

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LTN London Luton

YULLTN

Montreal Pierre Elliott Trudeau Intl

Fri 8/1

8:15 p.m.-2:05 p.m.

1 stop12h 50m

London Luton

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 446

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - STN London Stansted

YULSTN

Montreal Pierre Elliott Trudeau Intl

Tue 24/11

7:35 p.m.-12:45 a.m.

2 stops48h 10m

London Stansted

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 457

MontrealLondon

YUL Montreal Pierre Elliott Trudeau Intl - LGW London Gatwick

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 4/12

8:30 p.m.-10:55 p.m.

1 stop21h 25m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 467

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Pierre Elliott Trudeau Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Pierre Elliott Trudeau Intl with our price prediction graph.

YUL-LON

YUL-LGW

YUL-STN

YUL-SEN

YUL-LTN

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to London

YUL-LON

YUL-LGW

YUL-STN

YUL-SEN

YUL-LTN

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 935). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in December is currently the most expensive (average of C$ 1,391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to LON?

When flying from Montreal Pierre Elliott Trudeau Intl Airport to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London

The most flights from YUL to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to London?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to London flights typically cost between C$ 910 and C$ 1,178 in December.
The cheapest round-trip price found within the last 5 days was C$ 900 on Multiple Airlines (7 Dec-14 Dec).

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Toronto (YYZ) – chosen by Cheapflights users on 58% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of C$ 360.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to London?

Flights via Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 9h 55m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Flights via Paris (CDG) offer the fastest connection on this route, with an average layover time of 1h 40m.

How often are flights from Montreal to London delayed?

About 24% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Montreal to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to London flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 20% of flights being delayed.

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Porter Airlines

8.0

Very good

468 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Transat

7.7

Good

585 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,880 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Lufthansa

6.8

Okay

8,290 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

British Airways

6.7

Okay

8,286 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Related info for your journey

How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London?
For as low as C$ 942, Virgin Atlantic can have you in London from Montreal Pierre Elliott Trudeau Intl Airport in 11h. The distance from Montreal Pierre Elliott Trudeau Intl Airport to London is about 5243 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London round-trip?
Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as C$ 566 on this airline. Additional options worth looking into are Air Transat and Porter Airlines, starting at C$ 681 and C$ 743 round-trip. These flights start at 45% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to London one-way?
C$ 399 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on TAP AIR PORTUGAL and British Airways, with prices starting from C$ 409 and C$ 600, respectively.
What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to London?
When deciding which route to take from Montreal Pierre Elliott Trudeau Intl Airport to London consider Montreal Pierre Elliott Trudeau Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London City as they are the most popular.
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London?
Consider Aegean Airlines (88%), Egyptair (87%) or Thai Airways (87%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London?
Looking at all options, your cheapest flight can be booked for C$ 600. While the most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow) can be booked for C$ 825 on average, our data indicates C$ 1,655 when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.
Can I find deals for flights from Pierre Elliott Trudeau Intl to London that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to London.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to London?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?
Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 935). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in December is currently the most expensive (average of C$ 1,391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Gatwick

Romford

Twickenham

Ilford

Bromley

Sutton

Luton

Kingston upon Thames

Slough

Marlow

Cobham

Hounslow

Wembley

Watford

High Wycombe

Browse thousands of different options on Cheapflights for your next trip

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Other flights from Pierre Elliott Trudeau Intl

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Fly from Pierre Elliott Trudeau Intl to London on these airlines

Air Transat flights from Montreal Pierre Elliott Trudeau Intl to London

Air Canada flights from Montreal Pierre Elliott Trudeau Intl to London

British Airways flights from Montreal Pierre Elliott Trudeau Intl to London

Top 8 airlines flying from Pierre Elliott Trudeau Intl to London

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	CheapestC$ 566	AverageC$ 855	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Transat	CheapestC$ 681	AverageC$ 963	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 743	AverageC$ 939	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
American Airlines	CheapestC$ 757	AverageC$ 1,014	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	CheapestC$ 845	AverageC$ 1,100	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	CheapestC$ 862	AverageC$ 1,095	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	CheapestC$ 869	AverageC$ 1,102	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Finnair	CheapestC$ 999	AverageC$ 1,101	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Fly with Cheapflights

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to London?

When you search for this flight from Pierre Elliott Trudeau Intl to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to London?

Cheapflights helps you find that perfect flight to London from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 408

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Cheapest flights from Pierre Elliott Trudeau Intl to LondonExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Best flights from Pierre Elliott Trudeau Intl to LondonDiscover carefully curated flight deals from Pierre Elliott Trudeau Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Direct flights from Pierre Elliott Trudeau Intl to LondonExplore direct flight options from Pierre Elliott Trudeau Intl to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 November 2026.

Explore direct flight options from Pierre Elliott Trudeau Intl to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 November 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to LondonDiscover last-minute flight deals from Pierre Elliott Trudeau Intl to London. Data last updated 10 November 2026 and is based on user searches.

Discover last-minute flight deals from Pierre Elliott Trudeau Intl to London. Data last updated 10 November 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to LondonSearch for one-way flight options from Pierre Elliott Trudeau Intl to London. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

Search for one-way flight options from Pierre Elliott Trudeau Intl to London. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

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Best time to book a flight from Pierre Elliott Trudeau Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Pierre Elliott Trudeau Intl with our price prediction graph.

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What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

What is the cheapest time of day to fly from YUL to LON?

Find hourly flight availability from Pierre Elliott Trudeau Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 10 November 2026.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London

The most flights from YUL to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to London?

Airfare is below average for this route at the moment.

Montreal Pierre Elliott Trudeau Intl Airport to London flights typically cost between C$ 910 and C$ 1,178 in December.The cheapest round-trip price found within the last 5 days was C$ 900 on Multiple Airlines (7 Dec-14 Dec).

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 58% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of C$ 360.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to London?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 9h 55m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Paris (CDG) offer the fastest connection on this route, with an average layover time of 1h 40m.

How often are flights from Montreal to London delayed?

About 24% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Montreal to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to London flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 20% of flights being delayed.

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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Fly from Pierre Elliott Trudeau Intl to London on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to London. Flights are based on user searches made on Cheapflights and were last updated on 10 November 2026.

Alternative routes for Pierre Elliott Trudeau Intl to London

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Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.

Best flights from Pierre Elliott Trudeau Intl to London
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.

Direct flights from Pierre Elliott Trudeau Intl to London
Explore direct flight options from Pierre Elliott Trudeau Intl to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 November 2026.

Last-minute flights from Pierre Elliott Trudeau Intl to London
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to London. Data last updated 10 November 2026 and is based on user searches.

One-way flights from Pierre Elliott Trudeau Intl to London
Search for one-way flight options from Pierre Elliott Trudeau Intl to London. Find affordable one-way fares based on user searches. Data last updated 10 November 2026.

Montreal Pierre Elliott Trudeau Intl Airport to London flights typically cost between C$ 910 and C$ 1,178 in December.
The cheapest round-trip price found within the last 5 days was C$ 900 on Multiple Airlines (7 Dec-14 Dec).